Home / 83,924.20-125,627.10-48,759.40

Finding the Fourth Proportional to 83,924.20, 125,627.10 and 48,759.40

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Solution

The fourth proportional to 83,924.20, 125,627.10 and 48,759.40 is: 72,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,924.20 : 125,627.10 = 48,759.40 : x
  2. Step 2: Convert to fraction form
    83,924.20/125,627.10 = 48,759.40/x
  3. Step 3: Cross multiply
    83,924.20x = 125,627.10 × 48,759.40
  4. Step 4: Simplify right side
    83,924.20x = 6,125,502,019.74
  5. Step 5: Solve for x
    x = 6,125,502,019.74/83,924.20
  6. Step 6: Final answer
    x = 72,988.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.